Download PTU B.Tech 2020 March ME 6th Sem Non Destructive Testing Question Paper

Download PTU (I.K. Gujral Punjab Technical University Jalandhar (IKGPTU) ) BE/BTech ME (Mechanical Engineering) 2020 March 6th Sem Non Destructive Testing Previous Question Paper

1 | M - 7 1 2 5 6 ( S 2 ) - 2 1 2 3
Roll No. Total No. of Pages : 02
Total No. of Questions : 09
B.Tech.(ME) (E-I 2012 Onwards) (Sem.?6)
NON DESTRUCTIVE TESTING
Subject Code : DE/ME-2.4
M.Code : 71256
Time : 3 Hrs. Max. Marks : 60
INSTRUCTION TO CANDIDATES :
1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks
each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students
has to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students
has to attempt any TWO questions.

SECTION-A
Q1. Answer briefly :
a) Differentiate between destructive and non-destructive testing.
b) What is Magnetic hysteresis?
c) What are the Surface & Sub Surface Defects?
d) List the desirable properties required for a good penetrant used in liquid penetrant
inspection (LPI).
e) Explain the principle of sonic material analyser.
f) Explain the method of generation of X-rays.
g) What is concrete test hammer?
h) Explain the Interpretation of Radiograph.
i) Explain various safety aspects required in radiography testing.
j) What do you understand by photo elasticity?

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1 | M - 7 1 2 5 6 ( S 2 ) - 2 1 2 3
Roll No. Total No. of Pages : 02
Total No. of Questions : 09
B.Tech.(ME) (E-I 2012 Onwards) (Sem.?6)
NON DESTRUCTIVE TESTING
Subject Code : DE/ME-2.4
M.Code : 71256
Time : 3 Hrs. Max. Marks : 60
INSTRUCTION TO CANDIDATES :
1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks
each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students
has to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students
has to attempt any TWO questions.

SECTION-A
Q1. Answer briefly :
a) Differentiate between destructive and non-destructive testing.
b) What is Magnetic hysteresis?
c) What are the Surface & Sub Surface Defects?
d) List the desirable properties required for a good penetrant used in liquid penetrant
inspection (LPI).
e) Explain the principle of sonic material analyser.
f) Explain the method of generation of X-rays.
g) What is concrete test hammer?
h) Explain the Interpretation of Radiograph.
i) Explain various safety aspects required in radiography testing.
j) What do you understand by photo elasticity?

2 | M - 7 1 2 5 6 ( S 2 ) - 2 1 2 3
SECTION-B
Q2 Discuss most commonly used Non-Destructive methods. What are the selection criteria
for any NDT Method?
Q3 With neat sketches explain about the different inspection techniques in radiography
testing (RT).
Q4 Differentiate between direct and indirect method of magnetisation. Write the advantages
and disadvantages of both methods.
Q5 Explain about the working of ultrasonic transducer. Include necessary figures.
Q6 Discuss the defect detection methods for plastics materials.

SECTION-C
Q7 a) Explain the ultrasonic testing for roughness of surfaces.
b) Explain about any four checking devices used in magnetic particle inspection (MPI).
Q8 a) Differentiate between X-ray radiography & Gamma Radiography Testing.
b) Explain the sperry flaw detection method for inspection of rails and tubes giving a
neat sketch.
Q9 a) A steel component is manufactured through forging. State the possible defects on its
surface, subsurface and bulk and explain briefly the possible NDT techniques for
their detection.
b) What is dye penetrant test? Explain cleaners, penetrants and developers.




NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any
page of Answer Sheet will lead to UMC against the Student.
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